Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3717
Título: Smart-HOP: a reliable handoff mechanism for mobile wireless sensor networks
Autor: Fotouhi, Hossein
Zúñiga, Marco
Alves, Mário
Koubâa, Anis
Marrón, Pedro
Data: 2012
Editora: Springer
Relatório da Série N.º: Wireless Sensor Networks - Lecture Notes in Computer Science; Vol. 7158
Resumo: Handoff processes, the events where mobile nodes select the best access point available to transfer data, have been well studied in cellular and WiFi networks. However, wireless sensor networks (WSN) pose a new set of challenges due to their simple low-power radio transceivers and constrained resources. This paper proposes smart-HOP, a handoff mechanism tailored for mobile WSN applications. This work provides two important contributions. First, it demonstrates the intrinsic relationship between handoffs and the transitional region. The evaluation shows that handoffs perform the best when operating in the transitional region, as opposed to operating in the more reliable connected region. Second, the results reveal that a proper fine tuning of the parameters, in the transitional region, can reduce handoff delays by two orders of magnitude, from seconds to tens of milliseconds.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3717
ISBN: 978-3-642-28168-6
ISSN: 0302-9743
Versão do Editor: http://link.springer.com/chapter/10.1007%2F978-3-642-28169-3_9
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